擅长:python、mysql、java
<p>您需要这样定义损失,以便向其传递新参数:</p>
<pre><code>def custom_loss(sample_weights_):
def example_loss(y_true, y_pred):
return K.mean(K.sqrt(K.sum(K.pow(y_pred - y_true, 2), axis=-1)), axis=0) * sample_weights_
return example_loss
</code></pre>
<p>这样称呼它:</p>
<pre><code>model.compile("Adam", custom_loss(weights_tensor))
</code></pre>